diff -u b/core/modules/block_content/src/Entity/BlockContent.php b/core/modules/block_content/src/Entity/BlockContent.php
--- b/core/modules/block_content/src/Entity/BlockContent.php
+++ b/core/modules/block_content/src/Entity/BlockContent.php
@@ -205,6 +205,7 @@
     $fields['changed'] = BaseFieldDefinition::create('changed')
       ->setLabel(t('Changed'))
       ->setDescription(t('The time that the custom block was last edited.'))
+      ->setTranslatable(TRUE)
       ->setRevisionable(TRUE);
 
     return $fields;
diff -u b/core/modules/menu_link_content/src/Entity/MenuLinkContent.php b/core/modules/menu_link_content/src/Entity/MenuLinkContent.php
--- b/core/modules/menu_link_content/src/Entity/MenuLinkContent.php
+++ b/core/modules/menu_link_content/src/Entity/MenuLinkContent.php
@@ -380,7 +380,8 @@
 
     $fields['changed'] = BaseFieldDefinition::create('changed')
       ->setLabel(t('Changed'))
-      ->setDescription(t('The time that the menu link was last edited.'));
+      ->setDescription(t('The time that the menu link was last edited.'))
+      ->setTranslatable(TRUE);
 
     return $fields;
   }
diff -u b/core/modules/taxonomy/src/Entity/Term.php b/core/modules/taxonomy/src/Entity/Term.php
--- b/core/modules/taxonomy/src/Entity/Term.php
+++ b/core/modules/taxonomy/src/Entity/Term.php
@@ -181,7 +181,8 @@
 
     $fields['changed'] = BaseFieldDefinition::create('changed')
       ->setLabel(t('Changed'))
-      ->setDescription(t('The time that the term was last edited.'));
+      ->setDescription(t('The time that the term was last edited.'))
+      ->setTranslatable(TRUE);
 
     return $fields;
   }
diff -u b/core/modules/user/src/Entity/User.php b/core/modules/user/src/Entity/User.php
--- b/core/modules/user/src/Entity/User.php
+++ b/core/modules/user/src/Entity/User.php
@@ -505,7 +505,8 @@
 
     $fields['changed'] = BaseFieldDefinition::create('changed')
       ->setLabel(t('Changed'))
-      ->setDescription(t('The time that the user was last edited.'));
+      ->setDescription(t('The time that the user was last edited.'))
+      ->setTranslatable(TRUE);
 
     $fields['access'] = BaseFieldDefinition::create('timestamp')
       ->setLabel(t('Last access'))